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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1252268
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1252268</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1252268">Mozilla Bug 1252268</a>

<script type="text/javascript">
  function go() {
    SimpleTest.requestFlakyTimeout("I'm smarter than the test harness");

    var ranOnce = false;
    var finished = false;

    var interval = setInterval(function () {
      if (ranOnce) {
        ok(false, "Don't execute me again!");
        clearInterval(interval);
        if (!finished) {
          finished = true;
          SimpleTest.finish();
        }
      } else {
        ranOnce = true;
        ok(true, "Ran the first time");
        try {
          TestFunctions.throwUncatchableException();
          ok(false, "How did we get here!");
        } catch (e) {
          ok(false, "How did we get here!?");
        }
      }
    }, 100);

    setTimeout(function() {
      if (!finished) {
        finished = true;
        SimpleTest.finish();
      }
    }, 1000);
  }

  SimpleTest.waitForExplicitFinish();
  SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, go);
</script>

</body>
</html>
